*)
module M = MathQL
+module I = M.I
+module U = AvsUtil
module P = MQIPostgres
module C = MQIConn
-module U = MQIUtil
module A = MQIMap
let not_supported s =
| [head] -> f head
| head :: tail -> f head ^ sep ^ iter f sep tail
in
+ let avs_iter f sep v =
+ let aux a s = function
+ | true -> a ^ (f s) ^ sep
+ | false -> a ^ (f s)
+ in
+ I.iter aux "" v
+ in
let pg_cols = iter (fun x -> x) ", " cols in
- let pg_msval v = iter (fun s, _ -> P.quote s) ", " v in
+ let pg_msval v = avs_iter P.quote ", " v in
let pg_con (pat, col, v) =
if col <> "" then
- let f (s, _) = col ^ " ~ " ^ P.quote ("^" ^ s ^ "$") in
- if pat then "(" ^ iter f " or " v ^ ")"
- else match v with
- | [(s,_)] -> col ^ " = " ^ (P.quote s)
- | v -> col ^ " in (" ^ pg_msval v ^ ")"
+ let f s = col ^ " ~ " ^ P.quote ("^" ^ s ^ "$") in
+ if pat then "(" ^ avs_iter f " or " v ^ ")"
+ else match I.single v with
+ | Some s -> col ^ " = " ^ (P.quote s)
+ | None -> col ^ " in (" ^ pg_msval v ^ ")"
else "true"
in
let pg_cons l = iter pg_con " and " l in
(* Common functions ********************************************************)
let pg_result distinct subj el res =
- let compose = if distinct then List.map else fun f -> U.mql_iter (fun x -> [f x]) in
+ let res, compose =
+ if distinct then List.rev res, U.append_iter else res, U.iter
+ in
let get_name = function (p, None) -> p | (_, Some p) -> p in
let names = List.map get_name el in
- let mk_grp l =
- let grp = U.mql_iter2 (fun p s -> [(p, [s])]) names l in
- if grp = [] then [] else [grp]
- in
- let mk_avs l =
- if subj = "" then ("", mk_grp l) else (List.hd l, mk_grp (List.tl l))
+ let mk_grp l = U.grp_iter2 I.grp_make names l in
+ let mk_avs l =
+ if subj = "" then I.make "" (mk_grp l)
+ else I.make (List.hd l) (mk_grp (List.tl l))
in
compose mk_avs res
if refine <> M.RefineExact then not_supported "exec";
let table = get_table h mc ct cfl el in
let rec exec_aux ct = match ct with
- | (pat, p, v) :: tail when List.length v > deadline ->
- let single s = exec_aux ((pat, p, [s]) :: tail) in
- U.mql_iter single v
+ | (pat, p, v) :: tail when U.count v > deadline ->
+ let single a s _ = I.union a (exec_aux ((pat, p, I.make s I.grp_empty) :: tail)) in
+ I.iter single U.val_false v
| _ ->
exec_single h mc ct cfl el table
in exec_aux ct
| _ -> ""
let get_id b = if b then ["B"] else ["F"]
+